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Tetraethyl Lead (as Pb)

General Description

Synonyms: TEL; Lead tetraethyl; Motor fuel anti-knock compound; Lead, organic; Tetraethyl Lead

OSHA IMIS code: 2360

CAS number(s): 78-00-2

Chemical description and physical properties:

  • colorless liquid or dyed red, orange, or blue with a slight musty odor
  • molecular weight: 323
  • boiling point: 183-185°F at mmHg
  • vapor pressure: 0.2 mm
  • melting point: -216 to -202°F

Incompatibilities: Strong oxidizers, sulfuryl chloride, potassium permanganate

Exposure Limits and Health Effects

Standard Set By Exposure Limit
OSHA PEL - General Industry 0.075 mg/m3 (Skin)
OSHA PEL - Construction Industry 0.1 (55 mg/m3) TWA
NIOSH REL 0.075 mg/m3 TWA Skin
ACGIH TLV® 0.1 mg/m3 TWA (Skin); Appendix A4 (Not Classifiable as a Human Carcinogen)

Carcinogenic Classification:

Potential Symptoms: Insomnia, lassitude, anxiety; tremors; hyper-reflexia, spastic; bradycardia, hypotension; hypothermia; pallor; nausea, anorexia, weight loss; disorientation, hallucinations, psychosis, mania; convulsions; coma; eye irritation

Health Effects: Cumulative liver and kidney damage (HE3); Acute CNS effects (HE4) Cumulative CNS effects (HE7); Suspect teratogen (HE5)

Affected Organs: CNS, CVS, kidneys, eyes

Chemical Sampling Information

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